AT71-250
Transmitter Owner’s Manual
© Linear Industries, Inc. All Rights Reserved
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Alarm
Message
Alarm Description
Action Required
After Alarm Ceases
Sync Loss!
Sync loss on the
transport stream
Alarm LED ON
Alarm LED OFF
Past alarm LED ON
LO Lock Fail!
Up-Converter LO
PLL unlocked
Shut down RF
Re-program the
PLL
Returns to the last RF level
Clock Lock
Fail!
Clock at Modulator
unlocked
Alarm LED ON
-------------------------
Fifo Overflow!
Overflow on FIFO at
the modulator
Alarm LED ON
-------------------------
+15V Fail!
Lack of +15V.
Alarm LED ON
-------------------------
+8V Fail!
Lack of +8V.
Alarm LED ON
-------------------------
+3V Fail!
Lack of +3V.
Alarm LED ON
-------------------------
+27V Fail!
Lack of +27V.
Alarm LED ON
-------------------------
5.1 Drawer Alarms
On the
System Alarm/Log
screen it is possible to check and review all alarms, current and
past, on each one of RF power drawer. From the Main Menu screen select system alarm/log,
screen [3000].
Select
System Alarms/Log
and ENTER
Main Menu :
[0000]
Setup Menu
-> System Alarms/Log
Measurements
Remote Access
Current Alarms
Alarm Log
-> Drawer Alarms
System Alarm/Log [3000]
Clear Alarm Log
